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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
/**
* Test that the reader mode button appears and works properly on
* reader-able content.
*/
const TEST_PREFS = [["reader.parse-on-load.enabled", true]];
const TEST_PATH = getRootDirectory(gTestPath).replace(
);
var readerButton = document.getElementById("reader-mode-button");
add_task(async function test_reader_button() {
registerCleanupFunction(function () {
// Reset test prefs.
TEST_PREFS.forEach(([name]) => {
Services.prefs.clearUserPref(name);
});
while (gBrowser.tabs.length > 1) {
gBrowser.removeCurrentTab();
}
});
// Set required test prefs.
TEST_PREFS.forEach(([name, value]) => {
Services.prefs.setBoolPref(name, value);
});
let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(gBrowser));
is_element_hidden(
readerButton,
"Reader mode button is not present on a new tab"
);
// Point tab to a test page that is not reader-able due to hidden nodes.
let url = TEST_PATH + "readerModeArticleHiddenNodes.html";
let paintPromise = BrowserTestUtils.waitForContentEvent(
tab.linkedBrowser,
"MozAfterPaint",
false,
e =>
e.originalTarget.location.href.endsWith("HiddenNodes.html") &&
e.originalTarget.document.readyState == "complete"
);
BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, url);
await paintPromise;
is_element_hidden(
readerButton,
"Reader mode button is still not present on tab with unreadable content."
);
});